What is the typical effect of malolactic fermentation on Chardonnay-dominant Champagnes?

• A. It softens acidity and contributes to a creamy mouthfeel with buttery notes
• B. It increases acidity
• C. It prevents malolactic fermentation
• D. It makes the wine taste grapefruit

Answer: (A)

Malolactic fermentation in Chardonnay-dominant Champagnes mainly softens the wine’s sharpness and adds texture. It changes malic acid (the tart, green-apple component) into lactic acid (softer, creamier acidity), which lowers perceived acidity and rounds out the palate. At the same time, the bacteria can produce diacetyl, a compound that brings buttery aromas and flavors, contributing to a creamy, smoother mouthfeel. That combination is why this process is described as softening acidity with a creamy, buttery character. The other options don’t fit: MLF doesn’t increase acidity, it’s the process that can be encouraged or avoided but is not something that “prevents” itself, and while citrus-like notes can appear in some champagnes, a grapefruit sensation isn’t the typical result of malolactic fermentation.